Since its 4.4.10 release way back in 2008, Damn Small Linux languished as an inactive project. But a month ago John Andrews announced 4.11 release candidate 2. It includes updated apps and bug fixes. Download from here (only 50m). More on what's in the release candidate here. DSL is popular for making older computers useful and also works well as a tiny live distro.

Now that is something I'd love to see! I already enjoy running TCL on Wyse thin clients, I can just imagine how well it would do on the Pi. It is by far the fastest and most responsive of the lightweight distros I've tried.